Package Include: 1pcs x 60W 12V 5A Industrial DIN rail power supply MDR-60-12 specifications: output power (W): 60 ripple & noise (mV p-p): <120 mV load regulation: ± 1 % line regulation: ± 1 % efficiency: >86% size (L x W x H): 1.57 x 3.94 x 3.54 inches Overvoltage Protection: When the outputvlotage is more than 135%, the output will be turned off. It will recover automatically after the abnormal. detailed specifications: primary output voltage (VDC): 12 output current (a): 5 maximum output power (W): 60 family: MDR-60 input voltage: 85 to 264 VAC input frequency: 47Hz to 63Hz maximum input current (a): 5 output connector Type: screw terminal operating temperature-min (CEL): -20? operating temperature-max (CEL): 70? agency approvals: 3C&CE&ISO9000 color: Blue+White style: DIN rail. Brand Name: NVVV Connection instruction ?: Ground wire L: Live wire N: Negative wire +V: DC power output + -V: DC power output - +V ADJ: output voltage regulation